Abstract: According to the investigation result of ancient and famous trees in 2017, resource characteristic was analyzed in Tiantai county. The results showed that there were 7 139 ancient and famous trees belonging to 118 species of 81 genera and 43 families. Most of them were indigenous species. There were 2 214 Rhododendron fortune trees, occupied the most, accounting for 31.10% of the total ones. There were 5 835 ancient trees in 43 groups, accounting for 81.73% of the total ones. Ancient trees under first-class protection account for 3.68%, under second-class 7.89%, under third-class 88.43% of the total ones. Correlation analysis between ancient tree age and morphological characteristics showed that tree age had positive relation with tree height, DBH and crown width, especially with DBH and age. The growth of most ancient and famous trees grow well in Tiantai county, there were about 1.25% of them endangered.